Arrow key navigation failing when component is rendered in closed shadow DOM
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type: bug
- Dominant language
- JavaScript
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Description
Steps to reproduce
Steps:
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Current behavior
https://github.com/mui/material-ui/blob/master/packages/mui-utils/src/getActiveElement/getActiveElement.ts
https://github.com/mui/material-ui/blob/master/packages/mui-material/src/Unstable_TrapFocus/FocusTrap.tsx
getActiveElements tries to resolve the active Element:
element.shadowRoot.activeElement
This only works if shadowRoot is open. If shadowRoot is closed, element.shadowRoot is always null
There was already an issue ( https://github.com/mui/material-ui/issues/34061 ) which resolved it for the open shadowRoot
Expected behavior
No response
Context
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Your environment
npx @mui/envinfo
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Search keywords: shadow dom keyboard select
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